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Vector competence of the invasive mosquito species Aedes koreicus for arboviruses and interference with a novel insect specific virus

The global spread of invasive mosquito species increases arbovirus infections. In addition to the invasive species Aedes albopictus and Aedes japonicus, Aedes koreicus has spread within Central Europe. Extensive information on its vector competence is missing. Ae. koreicus from Germany were investig...

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Main Authors: Jansen, Stephanie (Author) , Cadar, Daniel (Author) , Lühken, Renke (Author) , Pfitzner, Wolf Peter (Author) , Jöst, Hanna (Author) , Hoffmann, Sandra (Author) , Helms, Michelle (Author) , Zibrat, Branka (Author) , Kliemke, Konstantin (Author) , Becker, Norbert (Author) , Vapalahti, Olli (Author) , Rossini, Giada (Author) , Heitmann, Anna (Author)
Format: Article (Journal)
Language:English
Published: 14 December 2021
In: Viruses
Year: 2021, Volume: 13, Issue: 12, Pages: 1-12
ISSN:1999-4915
DOI:10.3390/v13122507
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3390/v13122507
Verlag, lizenzpflichtig, Volltext: https://www.mdpi.com/1999-4915/13/12/2507
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Author Notes:Stephanie Jansen, Dániel Cadar, Renke Lühken, Wolf Peter Pfitzner, Hanna Jöst, Sandra Oerther, Michelle Helms, Branka Zibrat, Konstantin Kliemke, Norbert Becker, Olli Vapalahti, Giada Rossini, Anna Heitmann
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Summary:The global spread of invasive mosquito species increases arbovirus infections. In addition to the invasive species Aedes albopictus and Aedes japonicus, Aedes koreicus has spread within Central Europe. Extensive information on its vector competence is missing. Ae. koreicus from Germany were investigated for their vector competence for chikungunya virus (CHIKV), Zika virus (ZIKV) and West Nile virus (WNV). Experiments were performed under different climate conditions (27 ± 5 °C; 24 ± 5 °C) for fourteen days. Ae. koreicus had the potential to transmit CHIKV and ZIKV but not WNV. Transmission was exclusively observed at the higher temperature, and transmission efficiency was rather low, at 4.6% (CHIKV) or 4.7% (ZIKV). Using a whole virome analysis, a novel mosquito-associated virus, designated Wiesbaden virus (WBDV), was identified in Ae. koreicus. Linking the WBDV infection status of single specimens to their transmission capability for the arboviruses revealed no influence on ZIKV transmission. In contrast, a coinfection of WBDV and CHIKV likely has a boost effect on CHIKV transmission. Due to its current distribution, the risk of arbovirus transmission by Ae. koreicus in Europe is rather low but might gain importance, especially in regions with higher temperatures. The impact of WBDV on arbovirus transmission should be analyzed in more detail.
Item Description:Gesehen am 19.07.2022
Physical Description:Online Resource
ISSN:1999-4915
DOI:10.3390/v13122507

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